2078480

素因数分解:

$2^4\times 5^1\times {\mathrm{25981}}^1$

素因数の和:25994

約数の個数: 20

約数和(自身を含む): 4832652

約数和(自身を除く): 2754172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 25981, 51962, 103924, 129905, 207848, 259810, 415696, 519620, 1039240, 2078480]

約数ペア:

[(1, 2078480), (2, 1039240), (4, 519620), (5, 415696), (8, 259810), (10, 207848), (16, 129905), (20, 103924), (40, 51962), (80, 25981)]